.container{
  display: flex;
  flex-direction: column;
  height: 100vh;
  // height: 100%;
  background-color: #f0f2f5;
}
.header {
  background-color: #fff;
  height: 50px;
}
.cotent-wrapper{
  flex: auto;
  padding: 12px 0;
  height: 100%;
}
.content {
  margin: 0 24px;
  display: flex;
  height: 100%;
  .left {
    width: 295px;
    background-color: #fff;
    padding: 0 12px 12px 12px;
    overflow: auto;
  }
  .main{
    flex: 1;
    position: relative;
    overflow: hidden;
    .canvas-wrapper {
      position: absolute;
      width: 400px;
      height: 612px;
      // top: 0;
      // left: 0;
      // right: 0;
      // bottom: 0;
      // margin: auto;
      top: 50%;
      left: 50%;
      transform: translateX(-50%) translateY(-50%);
      background-color: #fff;
      overflow: auto;
      box-shadow: 0 2px 10px #0000001f;
    }
  }
  .right {
    width: 300px;
    background-color: #fff;
    padding: 0 12px;
  }
}